CONCEPT
Lateral Thinking
De Bono's 1967 term for the deliberate disruption of established thought patterns to reach ideas that sequential reasoning cannot access — now the essential complement to the vertical machine.
Lateral thinking is the cognitive operation that moves sideways out of a framework rather than deeper within it. De Bono coined the term in 1967 to name a specific capacity: the ability to generate paths that vertical thinking would discard, because the discarded path is often the one that leads somewhere the established pattern cannot reach. Lateral thinking is generative where vertical thinking is selective, divergent where vertical thinking is convergent, and fundamentally concerned with changing premises rather than deriving conclusions from existing ones. In the AI age, lateral thinking becomes the irreplaceable human contribution — the operation that breaks the pattern that a pattern-following system, no matter how powerful, cannot break from inside.
In The You On AI Field Guide
The defining feature of lateral thinking is that it feels wrong from inside the established pattern. Vertical thinking feels like progress — each step narrows the field toward a solution. Lateral thinking feels like regression — you are deliberately moving away from the